stellar population造句

人有自信，才能有魄力，人有胆识，才能有本钱，人有规矩，才能有学问，人有别人没有的，减去别人有的，才能成长，改变自我，从减法开始。

Although researchers have yet to learn much about the stellar populations within these galaxies, one thing they do know is that "the galaxies are extremely blue," says Robertson.